This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 7 | 8 |
| 8 | 81 |
| 9 | 450 |
| 10 | 1815 |
| 11 | 5940 |
| 12 | 16731 |
| 13 | 42042 |
| 14 | 96525 |
| 15 | 205920 |
| 16 | 413270 |
| 17 | 787644 |
| 18 | 1436058 |
| 19 | 2519400 |
| 20 | 4273290 |
| 21 | 7034940 |
| 22 | 11277222 |
| 23 | 17651304 |
| 24 | 27039375 |
| 25 | 40619150 |
| 26 | 59942025 |
| 27 | 87026940 |
| 28 | 124472205 |
| 29 | 175587750 |
| 30 | 244550475 |
| 31 | 336585600 |
| 32 | 458177148 |
| 33 | 617310936 |
| 34 | 823753700 |
| 35 | 1089372240 |